function strClassString = ConvertIntegerCodeIntoClassString( iIntegerCode )
	%
	switch iIntegerCode
		%
		case 1
			strClassString = '+1';
		%
		case 2
			strClassString = '+2';
		%
		case 3
			strClassString = '+3';
		%
		case 4
			strClassString = '+4';
		%
		case 5
			strClassString = '+5';
		%
		case 6
			strClassString = '+6';
		%
		case 7
			strClassString = '0';
		%
		case 8
			strClassString = '-1';
		%
		case 9
			strClassString = '-2';
		%
		case 10
			strClassString = '-3';
		%
		case 11
			strClassString = '-4';
		%
		case 12
			strClassString = '-5';
		%
		case 13
			strClassString = '-6';
		%
		case 14
			strClassString = '+1-1';
		%
		case 15
			strClassString = '+2-1';
		%
		case 16
			strClassString = '+3-1';
		%
		case 17
			strClassString = '-1+1';
		%
		case 18
			strClassString = '-2+1';
		%
		case 19
			strClassString = '-3+1';
		%
		otherwise
			strClassString = '';
		%
	end;% switch
	%
end % function

